Pro JavaScript Performance Monitoring and Visualization - Tom Barker.pdf

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Pro JavaScript
Performance
Monitoring and Visualization
■■■
Tom Barker
Pro JavaScript Performance
Copyright © 2012 by Tom Barker
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Editorial Board: Steve Anglin, Ewan Buckingham, Gary Cornell, Louise Corrigan, Morgan Ertel, Jonathan Gennick, Jonathan
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ii
For my beautiful rabbit.
—Tom Barker
iii
Contents at a Glance
About the Author ..................................................................................................................ix
About the Technical Reviewer...............................................................................................x
Acknowledgments ................................................................................................................xi
Chapter 1: What is Performance ...........................................................................................1
Chapter 2: Tools and Technology to Measure and Impact Performance ...........................13
Chapter 3: WPTRunner—Automated Performance Monitoring and Visualization............43
Chapter 4: perfLogger—JavaScript Benchmarking and Logging .....................................65
Chapter 5: Looking Forward, a Standard for Performance ................................................83
Chapter 6: Web Performance Optimizations.....................................................................109
Chapter 7: Runtime Performance......................................................................................139
Chapter 8: Balancing Performance with Software Engineering Best Practices... ..........175
Index ..................................................................................................................................203
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